Regulatng device for dust-removing pneumatic machines.



No. 869,544. l J. R. BLUM.

RBGULATING DEVICE FOR DUST REMCVING PNEUMATIC APPLICATION FILED PEB. 20, 1907.

PATBNTED OCT. 29. 1907.

MACHINES.

im TED STATES PATENT OFFICE.

ULES REN BLUM, Ol" PARIS, FRANCE, ASSIGXOR TO COUPAXY L.\SPlil.\TOll," Ur PARIS, FRANCE, A (URIOR'IION Ul" FRANCE.

BEGULATING DEVICE FOR DUST-REMOVING PNEUMATIC MACHINES.

no. uuu,644.

' Specification of Letters Patent.

Patented Oct. 29, 1907.

Original lpplicatioirleii April 19 1905 Serial No. 312.672- Divided and this application `filed February 20. 1907.

` man Nn. 358.450`

To all whom il may :0.1mm:

Be it known that I, JULES lli-:si: Hman. vivi] i-nl gineer, a citizen of Fmnr-e, residing :u l5) liifulrimrd Preire, Paris` Fmnve, lim-e invented new :ind iis-eful Improvements in Regulating Devious im' Dust Removing Pneuinalie )Iiii'liines, uf iiliirli lln fnlluii'A .ing is a spoi-iicaiion.

This invention ii'liii-li is u li\ isinn nf lli(l upplivulion Seri'al No. 3l2,672 filed April lil, H106. rel-.iles in :in improved regulating devi lupfi'd lo be used in 1-n|i neclion i'lh nnivliines nu' removing dus! hy sin-limi from carpes, furniture, vurtiiins, tapes-uy :ind llie like.

The device cunsisrs essentially in small regulating bellows connected ii'iih the siiviion i-niiipuriniifiu nl' the inni-lune and provided willi u disr-lnirge wlw' which nini' he vrinliulled in suoli u manner lli-.il in mieli purliltular mise ilu. degree in axiniuni nl varninn ir regulated in arr-urdzini'rii'illi tlie dielivmfy if llie I'ailu'iibeing cleaned. By this means, delir'uu: faln'i( s suvli as lapestry ind ilu: lik(` win lie rleuned ii'itlinuigclling.Y injured ue iwiilfl hr llie use ii here l-lnl sume poii'ierul vacuum wus upplii-.l :is would l'ui' example lie reqiiisiie im' thick viii-pels. l

The inveniion is illiislrned in Iliu :ier'uiiip-.iiiyiiigg drawing. in w-hiulir Figure l slniivs u verli'ul swlmnil vivii'. und Fig'. 2 iSnL-'xlinn lukvnun line A A nl Fig. l.

links u b nl' :i frxiiik shall r' ii'liiili is 'nnliulled by lizind or :u evlizinieally.

Vlie improved rrzulauing li-vive wnsfisls if iiiull lwllnii's rs1-mired upon u ii'iill i-f Ilw sui'iinn minpunim-nl :ind in winsninl munniunif-ulinn willi lliiindi-- iiuiif suid c'liiiipurliiieiu, in smh :i iinuniei- Ilm! ille purlizil vm'uum. or luii'ering u-l' pios-sure. pi'mlui-vd liy ilie nniii lu'llriivs lA L. Il. 4. :ilivuys' lins :iii vl'l'wl iiilliin llul liillnws r. l'pnn lliilinn'zilvlv linp nl .--.xd bellows r is :irlungvd :i disvliuifz i'nlie f ii'lirh rui-ries :inudjiishilile slop sii'eii' l'.

'lliliiim'zililillzzp nl' iln' helluiis i' isiuniu-rii-d in u spring: S ii'liii-Ii tends t kvepsuid bellows npeii wliiii` nl nnrinzil work. As lun;y ns Ihr.k inlensil) nl' lli:l sin'- iiuii is init 1mi Ji-mil. Ilie spring S keeps the bellows open, liiil when mid inn-nelly surpasses llie degree maximum ii'liii-li has been Iixed lwforelizind. lie spring yields und the bellows collapses. ln llie yielding inni ement of the inmalile flap nl llie lil-lions. (lie slnp si'rew t abuis against the-fixed ii'iill of .Suid bellows, and muses thc vulve l lo open. The ou'ei' nii' einem` llwn ilie vouipurlinent li. :ind rediives nuin-diaucly the vul-num in ilie sui-lion tube. It is Iliiis possible. by .s uilulily adjusting llie .slop Screw, In regul-.ilc :il will llie degree nl vacuum ui'iurding-m tlic ulijei-tei tu lm vlenned.

l Having nnw desrribed niy invenlinn, wlmi. I vlnim :is new und desiriln secure by Letters nient is;

i l l i 

